Merge pull request #34 from tribal-tec/master

Tweak FindDisplayCluster
Use more robust git-archive for PPA upload
Make endian define more convenient to use
Merge branch 'master' of github.com:Eyescale/CMake
Allow disable of Buildyard bootstrap
Only bootstrap Buildyard if required dependencies are missting
Fix for Only bootstrap Buildyard if required..., Note: changed include logics!
Fix for Only bootstrap Buildyard if required...
Keep noise doc install out of Travis builds
Make TurboJpeg finding more informative
Fix doxygit install target
Update README.md
C++11 for icc and enable more warnings